Prolonged and constant use of tobacco can weaken the user's immune system and increase the risk of many diseases. Which disease
makes the air sacs in the lungs less elastic, reducing their ability to absorb oxygen? A. chronic bronchitis B. emphysema C. lung cancer D. oral cancer
Explanation: Well you see, We need more information such as the answers you can choose and which drug, We can’t answer the question unless you put the possible answers.
